/*  Copyright (C) 2009 Jos van der Til
    
    This file is part of the Fluent Metadata Library.

    The Fluent Metadata Library is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    The Fluent Metadata Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with the Fluent Metadata Library.  If not, see <http://www.gnu.org/licenses/>.
 */
using System;
using System.Collections.Generic;

namespace FluentMetadata.AttributeBuilders
{
    public abstract class AbstractAttributeBuilder : IExtendableAttributeBuilder
    {
        protected IList<IAttributeBuilder> _builders = new List<IAttributeBuilder>();
        protected IList<IAttributeContainer> _containers = new List<IAttributeContainer>();

        public virtual void AddAttributeContainer(IAttributeContainer container)
        {
            _containers.Add(container);
        }

        public virtual void AddAttributeBuilder(IAttributeBuilder builder)
        {
            _builders.Add(builder);
        }

        public virtual IEnumerable<Attribute> GetAttributes()
        {
            var resultList = new List<Attribute>();

            foreach(var container in _containers)
            {
                resultList.Add(container.InnerAttribute);
            }

            foreach(var builder in _builders)
            {
                resultList.AddRange(builder.GetAttributes());
            }

            return resultList;
        }
    }
}